radeonsi: set optimal settings in COMPUTE_RESOURCE_LIMITS
radeonsi: set optimal settings in COMPUTE_RESOURCE_LIMITS

ported from Vulkan

Reviewed-by: Nicolai Hähnle <0d0be6cf5ad662651be2dc5dfd44aa2b09d4c1cc@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler